/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.flink.cdc.connectors.tidb.table;

import org.apache.flink.cdc.common.annotation.Internal;

import org.tikv.kvproto.Cdcpb;
import org.tikv.kvproto.Kvrpcpb;

import java.io.Serializable;

/** A converter converts TiKV Row metadata into Flink internal data structures. */
@FunctionalInterface
@Internal
public interface TiKVMetadataConverter extends Serializable {

    Object read(TiKVRowValue row);

    /** TiKV Row Value. */
    class TiKVRowValue {
        public boolean isSnapshotRecord;
        public Kvrpcpb.KvPair kvPair;
        public Cdcpb.Event.Row row;

        public TiKVRowValue(Kvrpcpb.KvPair kvPair) {
            this.isSnapshotRecord = true;
            this.kvPair = kvPair;
        }

        public TiKVRowValue(Cdcpb.Event.Row row) {
            this.isSnapshotRecord = false;
            this.row = row;
        }
    }
}
